Parapterum

Definitions

  • Webster's Revised Unabridged Dictionary
    • n Parapterum (Zoöl) A special plate situated on the sides of the mesothorax and metathorax of certain insects.
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Century Dictionary and Cyclopedia
    • n parapterum In entomology, the third one of the three sclerites into which each pleuron, right and left, or lateral segment of each thoracic somite, is divisible, the first and second of these sclerites being respectively the episternum and the epimeron. There are a propleural, a mesopleural, and a metapleural parapterum on each side of an insect's thorax. See parapleurum.
    • n parapterum In ornithology, the scapular and adjoining feathers of the wing.
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Chambers's Twentieth Century Dictionary
    • n Parapterum pa-rap′te-rum (entom.) the third sclerite of each pleuron, or lateral segment of each thoracic somite—the first and second, the episternum, and the epimeron: in birds, the scapular and adjoining feathers of the wing
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Etymology

Webster's Revised Unabridged Dictionary
NL. See Para-, and Pteron
Chambers's Twentieth Century Dictionary
Gr. para, beside, pteron, a wing.